Study on the Thermal Fatigue Behavior of Hot Deformed Wear Resistance Cast Iron and Effect of Carbide
来源期刊：JOURNAL OF RARE EARTHS2007年增刊第1期
论文作者：Dong Litao Li Xingyuan Liu Rongchang Chen Xiuhong
Key words：hot deformed wear resistance cast iron; thermal fatigue; carbide; rare earths;
Abstract: The thermal fatigue behavior of wear resistance cast iron with different quantity of deformation has been investigated. The results show that eutectic carbide is the main location and passage for initiation and extension of thermal fatigue cracks, approving that the more serious, the carbide breaks. The higher thermal fatigue resistance of wear resistance cast iron will be and thermal fatigue fracture belongs mainly to brittleness.
Dong Litao1，Li Xingyuan2，Liu Rongchang1，Chen Xiuhong1
(1.Department of Mechanics and Electronics, Hebei Normal University of Science & Technology, Qinhuangdao 066004, China;
2.College of Mathematics and Physics, Yanshan University, Qinhuangdao 066004, China)
Abstract:The thermal fatigue behavior of wear resistance cast iron with different quantity of deformation has been investigated. The results show that eutectic carbide is the main location and passage for initiation and extension of thermal fatigue cracks, approving that the more serious, the carbide breaks. The higher thermal fatigue resistance of wear resistance cast iron will be and thermal fatigue fracture belongs mainly to brittleness.
Key words:hot deformed wear resistance cast iron; thermal fatigue; carbide; rare earths;
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